<template>
  <q-card
    flat
    bordered
    :class="['panel-servers', {'panel-servers-dense':isDense}]"
  >
    <q-scroll-area
      v-if="data.loadBalancer.servers"
      :thumb-style="appThumbStyle"
      style="height:100%;"
    >
      <q-card-section>
        <div class="row items-start no-wrap">
          <div
            v-if="showStatus"
            class="col-3"
          >
            <div class="text-subtitle2 text-table">
              Status
            </div>
          </div>
          <div class="col-9">
            <div class="text-subtitle2 text-table">
              URL
            </div>
          </div>
        </div>
      </q-card-section>
      <q-separator />
      <div
        v-for="(server, index) in data.loadBalancer.servers"
        :key="index"
      >
        <q-card-section>
          <div class="row items-center no-wrap">
            <div
              v-if="showStatus"
              class="col-3"
            >
              <div class="block-right-text">
                <avatar-state
                  v-if="data.serverStatus"
                  :state="status(data.serverStatus[server.url || server.address])"
                />
                <avatar-state
                  v-if="!data.serverStatus"
                  :state="status('DOWN')"
                />
              </div>
            </div>
            <div class="col-9">
              <q-chip
                dense
                class="app-chip app-chip-rule"
              >
                {{ server.url || server.address }}
              </q-chip>
            </div>
          </div>
        </q-card-section>
        <q-separator />
      </div>
    </q-scroll-area>
    <q-card-section
      v-else
      style="height: 100%"
    >
      <div
        class="row items-center"
        style="height: 100%"
      >
        <div class="col-12">
          <div class="block-empty" />
          <div class="q-pb-lg block-empty-logo">
            <img
              v-if="$q.dark.isActive"
              alt="empty"
              src="~assets/middlewares-empty-dark.svg"
            >
            <img
              v-else
              alt="empty"
              src="~assets/middlewares-empty.svg"
            >
          </div>
          <div class="block-empty-label">
            There is no<br>Server available
          </div>
        </div>
      </div>
    </q-card-section>
  </q-card>
</template>

<script>
import { defineComponent } from 'vue'
import AvatarState from './AvatarState.vue'

export default defineComponent({
  name: 'PanelServers',
  components: {
    AvatarState
  },
  props: {
    data: { type: Object, default: undefined, required: false },
    dense: Boolean,
    hasStatus: Boolean
  },
  computed: {
    isDense () {
      return this.dense !== undefined
    },
    showStatus () {
      return this.hasStatus !== undefined
    }
  },
  methods: {
    status (value) {
      if (value === 'UP') {
        return 'positive'
      }
      return 'negative'
    }
  }
})
</script>

<style scoped lang="scss">
  @import "../../css/sass/variables";

  .panel-servers {
    height: 600px;
    &-dense{
      height: 400px;
    }
    .q-card__section {
      padding: 12px 24px;
      + .q-card__section {
        padding-top: 0;
      }
    }

    .block-right-text{
      height: 32px;
      line-height: 32px;
      .q-avatar{
        float: left;
      }
      &-label{
        font-size: 14px;
        font-weight: 600;
        color: $app-text-grey;
        float: left;
        margin-left: 10px;
        text-transform: capitalize;
        &-enabled {
          color: $positive;
        }
        &-disabled {
          color: $negative;
        }
        &-warning {
          color: $warning;
        }
      }
    }

    .text-subtitle2 {
      font-size: 11px;
      color: $app-text-grey;
      line-height: 16px;
      margin-bottom: 4px;
      text-align: left;
      letter-spacing: 2px;
      font-weight: 600;
      text-transform: uppercase;
    }

    .text-table {
      font-size: 14px;
      font-weight: 700;
      letter-spacing: normal;
      text-transform: none;
    }

    .block-empty {
      &-logo {
         text-align: center;
       }
      &-label {
         font-size: 20px;
         font-weight: 700;
         color: #b8b8b8;
         text-align: center;
         line-height: 1.2;
       }
    }
  }

</style>
